Minor changes from meeting.
Merge branch 'master' of https://github.com/JBillingsley/eecs-390-rts.git
Added tile setting when you path to it.
Merge branch 'master' of https://github.com/JBillingsley/eecs-390-rts.git
Merge branch 'master' of https://github.com/JBillingsley/eecs-390-rts.git
Merge branch 'master' of https://github.com/JBillingsley/eecs-390-rts.git
Adding background